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6-x = 4*x+34/9 // - 4*x+34/9
6-x-(4*x)-(34/9) = 0
6-x-4*x-34/9 = 0
20/9-5*x = 0 // - 20/9
-5*x = -20/9 // : -5
x = -20/9/(-5)
x = 4/9
x = 4/9
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